Windows Update Error 0x80070490 is a severe system component crash that occurs when the Component-Based Servicing (CBS) manifest files are found to be missing or corrupted. This critical error halts your update progress bar completely, trapping your operating system in a failure loop that blocks vital security patches, feature upgrades, and platform installations.
Whether this setup crash stems from broken system files within your registry configurations or a corrupted component store image repository, you can clear it. Follow this step-by-step troubleshooting guide to bypass error 0x80070490 and restore your system update pipelines.
Common Causes of Error Code 0x80070490
• Corrupted Component-Based Servicing Manifests: Missing file tracking indices inside your master system registry pathways.
• Mismatched Component Store Files: Core library components falling out of sync during a background patch configuration rollout.
• Interrupted Background Download Packages: Fragmented data blocks inside your system distribution storage directories.
Method 1: Execute the Automated Deployment Image Servicing and Management Tool
When your standard system diagnostic programs cannot find clean backup files locally, running an elevated image repair check connects your PC directly to secure Microsoft servers to replace damaged components and repair your master system repository.
- Click your Windows Start menu icon, type CMD into the search layout space, right-click Command Prompt, and choose Run as Administrator.
- Type the following deployment command string exactly as written to scan your core system image layout framework and hit Enter:
DISM /Online /Cleanup-Image /RestoreHealth - Leave the black terminal window completely open and do not close it while the automated internet diagnostic percentage runs to 100%.
- Once the completion message confirms success, close the terminal window and restart your computer.
Method 2: Launch the Onboard System File Checker Integrity Diagnostic Scan
Once your master component image files are realigned, executing a secondary integrity validation scan sweeps your local computer storage to repair and swap out individual broken user files.
- Open your Windows Start menu search again, type CMD, right-click on the Command Prompt app icon, and select Run as Administrator.
- Type the following command string to run a comprehensive asset file layout validation check and hit Enter:
sfc /scannow - Allow the automated scanner tool to evaluate your drive files and fix any mismatched background configurations.
- Close the terminal app screen, load your standard Windows Update configurations menu, and attempt to fetch the patch.